@font-face {
    font-family: "Wuther Display";
    src: url("/assets/fonts/WutherDisplay-SemiBold.woff2") format("woff2");
    font-style: normal;
    font-weight: 600;
    font-display: swap;
}

@font-face {
    font-family: "Wuther Display";
    src: url("/assets/fonts/WutherDisplay-SemiBoldItalic.woff2") format("woff2");
    font-style: italic;
    font-weight: 600;
    font-display: swap;
}

:root {
    --navy: #1D3557;
    --navy-deep: #08182C;
    --steel: #457B9D;
    --powder: #A8DADC;
    --ecume: #F1FAEE;
    --red: #E63946;
    --white: #FFFFFF;
    --surface: #E7F1ED;
    --ink: #10233D;
    --rule: rgba(29, 53, 87, 0.23);
    --rule-light: rgba(241, 250, 238, 0.24);
    --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
    --display: "Wuther Display", "Arial Black", sans-serif;
    --preview-offset: 0px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    overflow-x: hidden;
    background: var(--ecume);
    color: var(--navy);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.58;
}

img,
video {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.22em;
}

p,
h1,
h2,
h3,
figure,
ol {
    margin: 0;
}

h1,
h2,
h3 {
    font-family: var(--display);
    font-style: normal;
    font-weight: 600;
    letter-spacing: 0;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 100;
    padding: 10px 15px;
    background: var(--ecume);
    color: var(--navy);
    transform: translateY(-180%);
}

.skip-link:focus {
    transform: translateY(0);
}

.shell {
    width: min(1460px, calc(100% - 96px));
    margin-inline: auto;
}

.section {
    padding-block: clamp(98px, 10vw, 176px);
    scroll-margin-top: 36px;
}

.chapter,
.eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.16em;
    line-height: 1.35;
    text-transform: uppercase;
}

.chapter {
    color: #346381;
}

.chapter-light {
    color: var(--powder);
}

.large-copy {
    font-size: clamp(24px, 2.25vw, 36px);
    letter-spacing: -0.025em;
    line-height: 1.3;
}

.site-header {
    position: absolute;
    inset: 0 0 auto;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
    padding: 28px clamp(22px, 4.4vw, 74px);
    color: var(--ecume);
}

.brand,
.footer-brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.brand {
    gap: clamp(9px, 1vw, 15px);
}

.brand-fr {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
}

.brand-subtitle {
    color: var(--powder);
    font-family: var(--display);
    font-size: clamp(12px, 1.05vw, 16px);
    font-style: italic;
    font-weight: 600;
    font-synthesis: none;
    letter-spacing: 0;
    line-height: 1;
}

.brand img {
    width: clamp(210px, 20vw, 320px);
    height: auto;
    filter: brightness(0) invert(1);
}

.brand .brand-symbol {
    width: clamp(46px, 4.2vw, 66px);
    flex: 0 0 auto;
}

.site-nav,
.nav-links,
.language {
    display: flex;
    align-items: center;
}

.site-nav {
    gap: clamp(22px, 3vw, 52px);
}

.header-tools {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    gap: clamp(16px, 1.8vw, 31px);
}

.site-nav a,
.language span {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-decoration: none;
    text-transform: uppercase;
}

.site-nav a {
    transition: color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--powder);
}

.language {
    gap: 10px;
    padding-left: 22px;
    border-left: 1px solid rgba(241, 250, 238, 0.42);
}

.language span {
    color: var(--powder);
}

.language a,
.language span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 32px;
    min-width: 24px;
}

.hero {
    position: relative;
    min-height: 100svh;
    overflow: hidden;
    background: var(--navy-deep) url("/assets/chassiron-hero-clean.jpg") center / cover no-repeat;
    color: var(--ecume);
}

.hero-video,
.hero-shade {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-video {
    object-fit: cover;
}

.hero-shade {
    background:
        linear-gradient(90deg, rgba(4, 15, 29, 0.84) 0%, rgba(4, 15, 29, 0.48) 54%, rgba(4, 15, 29, 0.13) 88%),
        linear-gradient(0deg, rgba(4, 15, 29, 0.66) 0%, rgba(4, 15, 29, 0) 52%);
}

.hero-copy {
    position: absolute;
    right: clamp(22px, 6.2vw, 104px);
    bottom: clamp(118px, 17vh, 188px);
    left: clamp(22px, 6.2vw, 104px);
    z-index: 2;
}

.eyebrow {
    margin-bottom: 24px;
    color: var(--powder);
}

.hero h1 {
    max-width: 1480px;
    color: var(--ecume);
    font-size: clamp(54px, 7.5vw, 132px);
    line-height: 0.88;
}

.hero h1 span {
    color: var(--red);
}

.hero .hero-slogan {
    max-width: 1200px;
    font-size: clamp(48px, 6vw, 104px);
    line-height: 0.91;
}

.hero-lead {
    max-width: 680px;
    margin-top: 32px;
    font-size: clamp(17px, 1.35vw, 21px);
    line-height: 1.5;
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    padding: 13px 24px;
    border: 1px solid currentColor;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.11em;
    line-height: 1;
    text-decoration: none;
    text-transform: uppercase;
    transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.button-light {
    margin-top: 34px;
    border-color: var(--ecume);
    background: var(--ecume);
    color: var(--navy);
}

.button-light:hover,
.button-light:focus-visible {
    border-color: var(--powder);
    background: var(--powder);
}

.hero-note {
    position: absolute;
    right: clamp(22px, 4.4vw, 74px);
    bottom: 27px;
    left: clamp(22px, 4.4vw, 74px);
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 30px;
    padding-top: 14px;
    border-top: 1px solid rgba(241, 250, 238, 0.44);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.identity {
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(168, 218, 220, 0.15) 1px, transparent 1px),
        linear-gradient(rgba(168, 218, 220, 0.15) 1px, transparent 1px),
        var(--ecume);
    background-size: 46px 46px;
}

.identity-grid {
    display: grid;
    grid-template-columns: minmax(380px, 0.86fr) minmax(0, 1.14fr);
    gap: clamp(64px, 9vw, 146px);
    align-items: center;
}

.identity-mark {
    position: relative;
    display: grid;
    min-height: 620px;
    place-items: center;
}

.identity-mark::before {
    position: absolute;
    width: min(88%, 590px);
    aspect-ratio: 1;
    border: 1px solid rgba(69, 123, 157, 0.26);
    border-radius: 50%;
    content: "";
}

.identity-mark img {
    position: relative;
    z-index: 1;
    width: min(94%, 620px);
    height: auto;
}

.definition {
    display: flex;
    align-items: baseline;
    gap: 22px;
    margin-top: 54px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--rule);
}

.definition strong {
    font-family: var(--display);
    font-size: clamp(38px, 4vw, 65px);
    font-weight: 600;
    line-height: 0.9;
}

.definition span {
    color: var(--steel);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.identity h2 {
    max-width: 840px;
    margin-top: 44px;
    font-size: clamp(48px, 5.5vw, 90px);
    line-height: 0.94;
}

.identity-text {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(30px, 4vw, 62px);
    max-width: 800px;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--rule);
}

.identity-text p {
    font-size: 17px;
}

.method {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 78% 42%, rgba(69, 123, 157, 0.3), rgba(8, 24, 44, 0) 40%),
        linear-gradient(118deg, #071629 0%, var(--navy-deep) 50%, #0E3A49 100%);
    color: var(--ecume);
}

.method-flow-map,
.method-flow-canvas,
.method-flow-atmosphere {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.method-flow-map,
.method-flow-canvas {
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms ease;
}

.method-flow-map {
    z-index: 0;
    filter: saturate(1.2) blur(0.6px);
}

.method-flow-canvas {
    z-index: 1;
}

.method.is-flow-ready .method-flow-map,
.method.is-flow-ready .method-flow-canvas {
    opacity: 1;
}

.method-flow-atmosphere {
    z-index: 2;
    background:
        linear-gradient(90deg, rgba(5, 18, 34, 0.34), rgba(5, 18, 34, 0.08) 52%, rgba(5, 18, 34, 0.2)),
        linear-gradient(0deg, rgba(5, 18, 34, 0.42), transparent 47%, rgba(5, 18, 34, 0.18));
    pointer-events: none;
}

.method-grid {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: minmax(150px, 0.52fr) minmax(0, 2.35fr);
    gap: clamp(50px, 8vw, 132px);
    align-items: start;
}

.method .chapter {
    color: var(--powder);
}

.method-copy {
    max-width: 1120px;
}

.method h2 {
    font-size: clamp(62px, 8.4vw, 138px);
    line-height: 0.88;
}

.method .large-copy {
    max-width: 930px;
    margin-top: 56px;
}

.method-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(34px, 6vw, 90px);
    max-width: 980px;
    margin-top: 50px;
    padding-top: 28px;
    border-top: 1px solid rgba(241, 250, 238, 0.34);
}

.method-detail p {
    font-size: 17px;
}

.method-aside {
    color: var(--powder);
    font-size: 20px !important;
    line-height: 1.45;
}

.lab {
    overflow: hidden;
    background: var(--surface);
}

.section-heading,
.proof-heading {
    display: grid;
    grid-template-columns: minmax(150px, 0.52fr) minmax(0, 2.35fr);
    gap: clamp(50px, 8vw, 132px);
    align-items: start;
}

.section-heading h2,
.proof-heading h2 {
    max-width: 1120px;
    font-size: clamp(58px, 7.4vw, 118px);
    line-height: 0.9;
}

.section-heading > div > p,
.proof-heading > div > p {
    max-width: 700px;
    margin-top: 32px;
    font-size: 19px;
}

.lab-media-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.26fr) minmax(330px, 0.74fr);
    gap: clamp(24px, 3.5vw, 56px);
    align-items: end;
    margin-top: clamp(70px, 8vw, 126px);
}

.fractal-media,
.flight-media {
    border-top: 1px solid var(--rule);
}

.fractal-media video,
.flight-media video {
    width: 100%;
    background: var(--navy-deep);
    object-fit: cover;
}

.fractal-media video {
    aspect-ratio: 1280 / 860;
}

.flight-media video {
    aspect-ratio: 8 / 7;
}

.fractal-media figcaption,
.flight-media figcaption,
.studio-preview figcaption {
    padding-top: 13px;
    color: rgba(29, 53, 87, 0.64);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.lab-ledger {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: clamp(76px, 9vw, 136px);
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
}

.lab-ledger > div {
    min-height: 260px;
    padding: 25px clamp(20px, 2.3vw, 36px) 32px;
    border-left: 1px solid var(--rule);
}

.lab-ledger > div:first-child {
    border-left: 0;
}

.lab-ledger span {
    color: var(--red);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.lab-ledger h3 {
    margin-top: 52px;
    font-size: clamp(25px, 2.3vw, 36px);
    line-height: 1;
}

.lab-ledger p {
    margin-top: 22px;
    color: rgba(29, 53, 87, 0.76);
}

.studio {
    overflow: hidden;
    background:
        radial-gradient(circle at 15% 8%, rgba(69, 123, 157, 0.24), transparent 35%),
        var(--navy-deep);
    color: var(--ecume);
}

.studio-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    grid-template-areas: "preview copy";
    gap: clamp(40px, 6vw, 96px);
    align-items: center;
}

.studio-copy {
    grid-area: copy;
    min-width: 0;
}

.studio-title-lockup > img {
    width: min(100%, 440px);
    height: auto;
    margin-top: 28px;
    filter: brightness(0) invert(1);
}

.studio-intro {
    margin-top: 32px;
}

.studio-intro h2 {
    font-size: clamp(48px, 5.2vw, 84px);
    line-height: 0.92;
}

.studio-intro p {
    max-width: 650px;
    margin-top: 30px;
    color: rgba(241, 250, 238, 0.76);
    font-size: 18px;
}

.studio-intro p + p {
    margin-top: 16px;
}

.studio-preview {
    margin-top: clamp(72px, 9vw, 136px);
}

.studio-preview.studio-capture {
    grid-area: preview;
    width: 100%;
    min-width: 0;
    margin: 0;
}

.studio-capture > img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

@media (max-width: 960px) {
    .studio-layout {
        grid-template-columns: 1fr;
        grid-template-areas: "copy" "preview";
        gap: 40px;
    }
}

.studio-console {
    overflow: hidden;
    border: 1px solid rgba(168, 218, 220, 0.24);
    background: #09182A;
    box-shadow: 0 32px 90px rgba(0, 7, 17, 0.42);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.studio-bar {
    display: flex;
    min-height: 54px;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 13px 17px;
    border-bottom: 1px solid rgba(168, 218, 220, 0.18);
    color: rgba(241, 250, 238, 0.62);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.studio-bar img {
    width: 230px;
    height: auto;
    filter: brightness(0) invert(1);
}

.studio-workspace {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr) 190px;
    min-height: clamp(520px, 48vw, 710px);
}

.studio-panel,
.studio-status {
    position: relative;
    z-index: 2;
    padding: 20px 15px;
    background: #0D223C;
}

.studio-panel {
    border-right: 1px solid rgba(168, 218, 220, 0.15);
}

.studio-status {
    border-left: 1px solid rgba(168, 218, 220, 0.15);
}

.studio-panel-title {
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(168, 218, 220, 0.2);
    color: var(--red);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.studio-control {
    padding: 18px 0 15px;
    border-bottom: 1px solid rgba(168, 218, 220, 0.09);
}

.studio-control span {
    color: rgba(241, 250, 238, 0.8);
    font-size: 10px;
}

.studio-control i {
    position: relative;
    display: block;
    height: 3px;
    margin-top: 13px;
    background: rgba(168, 218, 220, 0.16);
}

.studio-control i::before,
.studio-control i::after {
    position: absolute;
    content: "";
}

.studio-control i::before {
    inset: 0 auto 0 0;
    width: var(--fill);
    background: var(--powder);
}

.studio-control i::after {
    top: 50%;
    left: var(--fill);
    width: 8px;
    height: 8px;
    border: 2px solid #0D223C;
    border-radius: 50%;
    background: var(--powder);
    transform: translate(-50%, -50%);
}

.studio-private {
    position: absolute;
    right: 15px;
    bottom: 18px;
    left: 15px;
    padding-top: 12px;
    border-top: 1px solid rgba(168, 218, 220, 0.16);
    color: rgba(168, 218, 220, 0.48);
    font-size: 8px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.studio-viewport {
    position: relative;
    display: grid;
    overflow: hidden;
    place-items: center;
    background-color: #10243E;
    background-image:
        linear-gradient(rgba(168, 218, 220, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(168, 218, 220, 0.045) 1px, transparent 1px);
    background-size: 32px 32px;
}

.studio-viewport::before {
    position: absolute;
    width: 68%;
    aspect-ratio: 1;
    border: 1px solid rgba(168, 218, 220, 0.13);
    border-radius: 50%;
    content: "";
}

.studio-viewport img {
    position: relative;
    z-index: 1;
    width: min(90%, 940px);
    height: auto;
    max-height: 90%;
    object-fit: contain;
    filter: saturate(0.82) contrast(1.04);
}

.studio-tabs {
    position: absolute;
    top: 15px;
    left: 17px;
    z-index: 2;
    display: flex;
    gap: 7px;
}

.studio-tabs span {
    padding: 5px 8px;
    border: 1px solid rgba(168, 218, 220, 0.18);
    color: rgba(241, 250, 238, 0.5);
    font-size: 8px;
}

.studio-tabs span:first-child {
    border-color: var(--powder);
    color: var(--powder);
}

.studio-viewport > p {
    position: absolute;
    right: 17px;
    bottom: 14px;
    z-index: 2;
    color: rgba(168, 218, 220, 0.5);
    font-size: 8px;
    letter-spacing: 0.1em;
}

.studio-status > div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding: 17px 0;
    border-bottom: 1px solid rgba(168, 218, 220, 0.1);
    font-size: 9px;
}

.studio-status span {
    color: rgba(241, 250, 238, 0.64);
}

.studio-status b {
    color: var(--powder);
    font-weight: 600;
}

.studio-preview figcaption {
    color: rgba(241, 250, 238, 0.58);
}

.parawing {
    position: relative;
    display: flex;
    min-height: 92svh;
    align-items: center;
    overflow: hidden;
    color: var(--ecume);
}

.parawing-image,
.parawing-shade {
    position: absolute;
    inset: 0;
}

.parawing-image {
    background: var(--navy) url("/assets/chassiron-hero-clean.jpg") center / cover no-repeat;
}

.parawing-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.parawing-playback {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    margin-top: 1.5rem;
}

.parawing-playback .aero-toggle {
    background: rgba(8, 24, 44, 0.4);
}

.parawing-playback .aero-status {
    min-height: 0;
    margin: 0;
    color: var(--ecume);
}

.parawing-shade {
    background:
        linear-gradient(90deg, rgba(4, 17, 31, 0.82), rgba(4, 17, 31, 0.48) 62%, rgba(4, 17, 31, 0.15)),
        linear-gradient(0deg, rgba(4, 17, 31, 0.58), transparent 56%);
}

.parawing-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(150px, 0.52fr) minmax(0, 2.35fr);
    gap: clamp(50px, 8vw, 132px);
    align-items: start;
}

.parawing-copy {
    min-width: 0;
    max-width: 1050px;
}

.parawing h2 {
    color: var(--ecume);
    font-size: clamp(68px, 9.2vw, 152px);
    line-height: 0.86;
}

.parawing .large-copy {
    max-width: 870px;
    margin-top: 50px;
}

.parawing-copy > p:not(.large-copy) {
    max-width: 700px;
    margin-top: 30px;
    color: rgba(241, 250, 238, 0.78);
    font-size: 17px;
}

.parawing-status {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    max-width: 920px;
    margin-top: 58px;
    border-top: 1px solid rgba(241, 250, 238, 0.4);
    border-bottom: 1px solid rgba(241, 250, 238, 0.4);
}

.parawing-status span {
    padding: 17px 18px;
    border-left: 1px solid rgba(241, 250, 238, 0.28);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.parawing-status span:first-child {
    border-left: 0;
}

.proof {
    background: var(--ecume);
}

.proof-loop {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    margin-top: clamp(72px, 9vw, 136px);
    padding: 0;
    border-top: 1px solid var(--navy);
    border-bottom: 1px solid var(--navy);
    list-style: none;
}

.proof-loop li {
    position: relative;
    min-height: 175px;
    padding: 23px 20px;
    border-left: 1px solid var(--rule);
}

.proof-loop li:first-child {
    border-left: 0;
}

.proof-loop li::after {
    position: absolute;
    right: -5px;
    bottom: 27px;
    z-index: 1;
    width: 9px;
    height: 9px;
    border-top: 1px solid var(--navy);
    border-right: 1px solid var(--navy);
    background: var(--ecume);
    content: "";
    transform: rotate(45deg);
}

.proof-loop li:last-child::after {
    display: none;
}

.proof-loop b {
    color: var(--red);
    font-size: 10px;
    letter-spacing: 0.13em;
}

.proof-loop span {
    position: absolute;
    bottom: 24px;
    left: 20px;
    max-width: calc(100% - 35px);
    font-family: var(--display);
    font-size: clamp(18px, 1.65vw, 27px);
    line-height: 1;
}

.proof-note {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 50px;
    align-items: end;
    margin-top: clamp(68px, 8vw, 116px);
    padding-top: 28px;
    border-top: 1px solid var(--rule);
}

.proof-note > p:first-child {
    max-width: 720px;
    font-size: 19px;
}

.proof-place {
    color: var(--steel);
    font-family: var(--display);
    font-size: clamp(19px, 2vw, 29px);
    line-height: 1.15;
    text-align: right;
}

.footer-film {
    position: absolute;
    inset: 0;
    overflow: hidden;
    scroll-margin-top: 44px;
}

.coast-video,
.coast-still {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 75% center;
}

.footer-film::after {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(0, 7, 14, 0.12), rgba(0, 7, 14, 0.58));
    content: "";
}

.footer-bio {
    grid-area: bio;
    max-width: 620px;
}

.coast-bio {
    max-width: 760px;
}

.coast-bio > p:first-child {
    font-size: clamp(22px, 2.4vw, 32px);
    line-height: 1.3;
    text-wrap: pretty;
}

.coast-bio > p + p {
    max-width: 570px;
    margin-top: 20px;
    font-size: clamp(16px, 1.5vw, 19px);
    color: rgba(241, 250, 238, 0.86);
}

.footer-symbol {
    position: absolute;
    top: 22px;
    right: 0;
    width: clamp(72px, 8vw, 120px);
    height: auto;
    filter: brightness(0) invert(1);
    pointer-events: none;
}

.site-footer {
    position: relative;
    overflow: hidden;
    background: var(--navy-deep);
    color: var(--ecume);
    scroll-margin-top: 44px;
}

.footer-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto auto minmax(0, 1fr) auto auto auto;
    grid-template-areas: "brand ." "bio ." "personal ." ". ." "origin ." ". lab" "meta contact";
    align-items: start;
    min-height: clamp(620px, 56vw, 800px);
    padding-block: clamp(32px, 3.5vw, 56px) 28px;
}

.footer-brand {
    grid-area: brand;
    width: min(330px, 65vw);
    margin-bottom: 32px;
}

.footer-brand img {
    width: 100%;
    height: auto;
    filter: brightness(0) invert(1);
}

.footer-socials {
    display: contents;
}

.footer-instagram-personal {
    grid-area: personal;
    justify-self: start;
    margin-top: 8px;
}

.footer-instagram-lab {
    grid-area: lab;
    justify-self: end;
    margin-top: 24px;
}

.footer-meta {
    grid-area: meta;
    align-self: end;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 24px;
}

.footer-meta a {
    color: rgba(241, 250, 238, 0.78);
    font-size: 11px;
}

.footer-instagram {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-height: 52px;
    color: var(--ecume);
    text-decoration: none;
}

.footer-instagram-icon {
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
}

.footer-instagram-copy {
    display: grid;
    justify-items: start;
    gap: 3px;
    text-align: left;
}

.footer-instagram-label {
    color: var(--powder);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    line-height: 1.2;
    text-transform: uppercase;
}

.footer-instagram-handle {
    font-size: clamp(17px, 1.5vw, 20px);
    line-height: 1.3;
}

.footer-instagram:hover .footer-instagram-handle,
.footer-instagram:focus-visible .footer-instagram-handle {
    text-decoration: underline;
}

.footer-instagram:focus-visible {
    outline: 2px solid var(--ecume);
    outline-offset: 6px;
}

.footer-contact {
    grid-area: contact;
    justify-self: end;
    display: grid;
    justify-items: end;
    gap: 6px;
    margin-left: auto;
    margin-top: 4px;
    padding-block: 8px;
    min-height: 44px;
    align-content: center;
    font-size: clamp(16px, 1.7vw, 23px);
    text-align: right;
    text-decoration: none;
}

.footer-contact:hover {
    text-decoration: underline;
    text-underline-offset: 0.22em;
}

.copyright {
    color: rgba(241, 250, 238, 0.78);
    font-size: 11px;
    text-align: left;
}

.footer-origin {
    grid-area: origin;
    max-width: 580px;
    margin-top: 64px;
}

.footer-origin h2 {
    margin-bottom: 7px;
    color: var(--ecume);
    font-size: 14px;
    line-height: 1;
}

.footer-origin p {
    color: rgba(241, 250, 238, 0.82);
    font-size: 12px;
    line-height: 1.55;
}

@media (max-width: 1120px) {
    .identity-grid {
        grid-template-columns: 1fr;
    }

    .identity-mark {
        min-height: 500px;
    }

    .identity-mark img {
        width: min(72vw, 540px);
    }

    .identity-copy {
        max-width: 900px;
    }

    .lab-media-grid {
        grid-template-columns: 1fr 0.68fr;
    }

    .lab-ledger {
        grid-template-columns: 1fr 1fr;
    }

    .lab-ledger > div:nth-child(3) {
        border-left: 0;
        border-top: 1px solid var(--rule);
    }

    .lab-ledger > div:nth-child(4) {
        border-top: 1px solid var(--rule);
    }

    .studio-title-lockup {
        max-width: 650px;
    }

    .studio-intro {
        max-width: 820px;
    }

    .studio-workspace {
        grid-template-columns: 200px minmax(0, 1fr);
    }

    .studio-status {
        display: none;
    }

    .proof-loop {
        grid-template-columns: repeat(3, 1fr);
    }

    .proof-loop li:nth-child(4) {
        border-left: 0;
        border-top: 1px solid var(--rule);
    }

    .proof-loop li:nth-child(n + 4) {
        border-top: 1px solid var(--rule);
    }
}

@media (max-width: 960px) {
    .site-header {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        column-gap: 16px;
        row-gap: 14px;
    }

    .site-nav {
        display: contents;
    }

    .header-tools {
        display: contents;
    }

    .header-tools .language {
        padding-left: 0;
        border-left: 0;
        gap: 6px;
    }

    .nav-links {
        grid-column: 1 / -1;
        grid-row: 2;
        justify-content: space-between;
        gap: 12px;
        padding-right: 54px;
    }

    .nav-links a {
        display: inline-flex;
        align-items: center;
        min-height: 32px;
        white-space: nowrap;
    }

    .language {
        grid-column: 2;
        grid-row: 1;
        justify-self: end;
    }

    .header-motion {
        grid-column: 2;
        grid-row: 2;
        justify-self: end;
        align-self: center;
    }
}

@media (max-width: 760px) {
    .shell {
        width: calc(100% - 38px);
    }

    .section {
        padding-block: 82px;
    }

    .site-header {
        padding: 21px 19px;
        gap: 16px;
    }

    .brand img {
        width: 192px;
    }

    .brand .brand-wordmark {
        width: 176px;
    }

    .brand .brand-symbol {
        width: 44px;
    }

    .brand-subtitle {
        font-size: 11px;
    }

    .site-nav {
        gap: 0;
    }

    .nav-links {
        gap: 6px;
    }

    .nav-links a {
        font-size: 9.5px;
        letter-spacing: 0.045em;
    }

    .language {
        padding-left: 16px;
    }

    .hero-copy {
        right: 19px;
        bottom: 124px;
        left: 19px;
    }

    .hero h1 {
        font-size: clamp(40px, 12vw, 58px);
        line-height: 0.9;
    }

    .hero .hero-slogan {
        font-size: clamp(38px, 11vw, 52px);
        line-height: 0.93;
    }

    .hero-lead {
        max-width: 520px;
        margin-top: 24px;
        font-size: 16px;
    }

    .hero-note {
        right: 19px;
        left: 19px;
        grid-template-columns: 1fr auto;
        gap: 16px;
        font-size: 8px;
    }

    .hero-note span:nth-child(2) {
        display: none;
    }

    .identity-grid {
        gap: 56px;
    }

    .identity-mark {
        min-height: 350px;
    }

    .identity-mark img {
        width: min(96%, 390px);
    }

    .definition {
        display: block;
        margin-top: 40px;
    }

    .definition span {
        display: block;
        margin-top: 12px;
    }

    .identity h2 {
        font-size: clamp(42px, 13vw, 64px);
    }

    .identity-text,
    .method-detail {
        grid-template-columns: 1fr;
    }

    .method-grid,
    .section-heading,
    .proof-heading,
    .parawing-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 42px;
    }

    .method h2 {
        font-size: clamp(53px, 16vw, 82px);
    }

    .method .large-copy {
        margin-top: 42px;
    }

    .lab-media-grid {
        grid-template-columns: 1fr;
        margin-top: 58px;
    }

    .flight-media {
        width: 78%;
        margin-left: auto;
    }

    .lab-ledger {
        grid-template-columns: 1fr;
    }

    .lab-ledger > div,
    .lab-ledger > div:nth-child(2),
    .lab-ledger > div:nth-child(4) {
        min-height: 215px;
        border-top: 1px solid var(--rule);
        border-left: 0;
    }

    .lab-ledger > div:first-child {
        border-top: 0;
    }

    .lab-ledger h3 {
        margin-top: 36px;
    }

    .studio-intro {
        margin-top: 54px;
    }

    .studio-title-lockup > img {
        margin-top: 30px;
    }

    .studio-workspace {
        grid-template-columns: 1fr;
        min-height: 420px;
    }

    .studio-panel {
        display: none;
    }

    .studio-bar span {
        display: none;
    }

    .studio-bar img {
        width: min(230px, 70vw);
    }

    .studio-viewport > p {
        right: 10px;
        bottom: 10px;
        left: 10px;
        text-align: right;
    }

    .parawing {
        min-height: 96svh;
    }

    .parawing h2 {
        font-size: clamp(48px, 17vw, 90px);
    }

    .parawing-status {
        grid-template-columns: 1fr;
    }

    .parawing-status span {
        border-top: 1px solid rgba(241, 250, 238, 0.25);
        border-left: 0;
    }

    .parawing-status span:first-child {
        border-top: 0;
    }

    .proof-loop {
        grid-template-columns: 1fr 1fr;
    }

    .proof-heading h2 {
        font-size: clamp(32px, 10.3vw, 58px);
        overflow-wrap: anywhere;
    }

    .proof-loop li,
    .proof-loop li:nth-child(3),
    .proof-loop li:nth-child(5) {
        min-height: 145px;
        border-top: 1px solid var(--rule);
        border-left: 1px solid var(--rule);
    }

    .proof-loop li:nth-child(odd) {
        border-left: 0;
    }

    .proof-loop li:nth-child(-n + 2) {
        border-top: 0;
    }

    .proof-loop li::after {
        display: none;
    }

    .proof-note {
        grid-template-columns: 1fr;
    }

    .proof-place {
        text-align: left;
    }

    .footer-content {
        min-height: 600px;
        padding-top: 32px;
    }

    .footer-brand {
        width: min(330px, 65vw, calc(100% - 96px));
        margin-bottom: 28px;
    }

    .footer-symbol {
        top: 12px;
    }

    .copyright {
        text-align: left;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }

}

/* Version B is a local review copy. Keep this bar outside all media frames. */
body[data-private-preview] {
    --preview-offset: 44px;
}

.private-preview-notice {
    position: sticky;
    top: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 44px;
    padding-inline: clamp(1.2rem, 4vw, 4rem);
    background: var(--navy);
    color: var(--ecume);
    font-size: 0.75rem;
    line-height: 1.5;
}

.site-header {
    top: var(--preview-offset);
}

.hero {
    scroll-margin-top: var(--preview-offset);
}

.private-preview-tools {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.aero-feature {
    position: relative;
    overflow: hidden;
    margin-top: clamp(4rem, 7vw, 7rem);
    padding-block: clamp(3rem, 4vw, 4.5rem);
    scroll-margin-top: 2.75rem;
    background: #000;
    color: var(--ecume);
}

.aero-grid {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(2rem, 6vw, 6rem);
    max-width: 1240px;
}

.aero-copy {
    max-width: 33rem;
}

.aero-copy .chapter {
    margin-bottom: 2rem;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
}

.aero-copy h2 {
    margin-bottom: 2rem;
    font-size: clamp(3rem, 5.4vw, 5.4rem);
    line-height: 0.94;
}

.aero-copy > p:not(.chapter) {
    max-width: 31rem;
    margin-top: 1.5rem;
    color: var(--ecume);
    font-family: var(--sans);
    font-size: 1.125rem;
    font-style: normal;
    font-weight: 400;
    line-height: 1.55;
}

.aero-context {
    margin-top: 2.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid #33454e;
    color: #a5b4bd;
    font-size: 0.875rem;
    line-height: 1.6;
}

.aero-figure {
    position: relative;
    background: #000;
    width: 100%;
    max-width: 30rem;
    justify-self: end;
}

/* A single transparent canvas keeps its particles across chapter boundaries. */
.page-wind {
    position: fixed;
    inset: 0;
    z-index: 8;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
}

.page-wind.is-flow-ready {
    opacity: 1;
}

.method {
    background: linear-gradient(180deg, var(--navy), #142C47);
}

.aero-feature {
    background: linear-gradient(90deg, var(--navy), #13263E 44%, #000 82%);
}

.lab-heading-wind {
    margin-block: calc(clamp(98px, 10vw, 176px) * -1) -3rem;
    padding-block: clamp(98px, 10vw, 176px) 3rem;
}

.wind-toggle {
    flex-shrink: 0;
    min-height: 44px;
    padding: 0.5rem 0.875rem;
    border: 0;
    border-left: 1px solid #546e81;
    border-radius: 0;
    background: transparent;
    color: var(--powder);
    font: 0.875rem var(--sans);
    cursor: pointer;
}

.wind-toggle:hover {
    color: var(--ecume);
    border-color: var(--powder);
}

.wind-toggle:focus-visible {
    outline: 2px solid var(--ecume);
    outline-offset: 3px;
}

.wind-toggle[hidden] {
    display: none;
}

.header-motion {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
}

.wind-toggle .motion-play,
.wind-toggle[aria-pressed="true"] .motion-pause {
    display: none;
}

.wind-toggle[aria-pressed="true"] .motion-play {
    display: block;
}

/* This control appears only when a visitor must explicitly start a film. */
.media-play {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 5;
    transform: translate(-50%, -50%);
    min-height: 44px;
    padding: 0.65rem 1rem;
    border: 1px solid var(--ecume);
    border-radius: 0;
    background: var(--navy-deep);
    color: var(--ecume);
    font: 0.875rem var(--sans);
    cursor: pointer;
}

.media-play[hidden] {
    display: none;
}

.media-play:focus-visible {
    outline: 2px solid var(--powder);
    outline-offset: 4px;
}

.site-footer .media-play {
    position: static;
    transform: none;
    padding: 0;
    border: 0;
    background: transparent;
    font-size: 11px;
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

@media (max-width: 760px) {
    .footer-content {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        min-height: 0;
        padding-block: 32px 24px;
    }

    .footer-symbol {
        display: none;
    }

    .footer-brand {
        width: min(240px, 78%);
        margin-bottom: 22px;
    }

    .footer-bio {
        max-width: 34ch;
        margin-bottom: 24px;
    }

    .coast-bio > p:first-child {
        font-size: 18px;
        line-height: 1.45;
    }

    .footer-contact {
        justify-items: start;
        align-self: start;
        margin: 0;
        padding-block: 0;
        text-align: left;
        font-size: clamp(19px, 5.3vw, 22px);
    }

    .footer-socials {
        display: grid;
        justify-items: start;
        gap: 2px;
        margin-top: 16px;
    }

    .footer-instagram-personal,
    .footer-instagram-lab {
        grid-area: auto;
        justify-self: start;
        margin: 0;
    }

    .footer-instagram {
        min-height: 44px;
        gap: 10px;
    }

    .footer-instagram-icon {
        flex-basis: 26px;
        width: 26px;
        height: 26px;
    }

    .footer-instagram-label {
        display: none;
    }

    .footer-instagram-handle {
        font-size: 16px;
    }

    .footer-origin {
        max-width: 40ch;
        margin-top: 32px;
    }

    .footer-origin h2 {
        font-size: 12px;
    }

    .footer-origin p {
        font-size: 12px;
    }

    .footer-meta {
        align-self: start;
        gap: 0 16px;
        margin-top: 20px;
    }

    .footer-meta a,
    .footer-meta button {
        min-height: 44px;
        align-content: center;
        font-size: 12px;
    }

    .footer-meta .copyright {
        font-size: 12px;
    }
}

@media (max-width: 760px) {
    .wind-scene[data-wind-scene="aero"] {
        --wind-opacity: 0.65;
    }

    .wind-scene[data-wind-scene="aero"] > .wind-trails {
        mask-image: linear-gradient(180deg, transparent, #000 3%, #000 28%, transparent 49%);
    }

}

.aero-stage {
    width: min(100%, 43svh);
    margin-inline: auto;
    aspect-ratio: 9 / 16;
    background: #000;
}

.aero-video,
.aero-stage > noscript > img {
    width: 100%;
    height: auto;
    aspect-ratio: 9 / 16;
    object-fit: contain;
    background: #000;
}

.aero-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #33454e;
}

.aero-toolbar > span {
    color: #b9c8cf;
    font-size: 0.875rem;
}

.aero-toggle {
    flex-shrink: 0;
    min-height: 44px;
    padding: 0.5rem 1rem;
    border: 1px solid #657c89;
    border-radius: 0;
    background: transparent;
    color: var(--ecume);
    font: 0.875rem var(--sans);
    cursor: pointer;
}

.aero-toggle:hover {
    border-color: var(--powder);
    background: #10212a;
}

.aero-toggle:focus-visible {
    outline: 2px solid var(--powder);
    outline-offset: 4px;
}

.aero-status {
    min-height: 1.5em;
    margin-top: 0.5rem;
    color: #a5b4bd;
    font-size: 0.8125rem;
}

.aero-status:empty {
    display: none;
}

/* The recursive wing and wind share one transparent drawing surface. */
.hero.hero-flow {
    display: flex;
    flex-direction: column;
    min-height: calc(100svh - var(--preview-offset));
    padding: 150px 0 24px;
    background: var(--navy);
}

.hero-flow .hero-layout {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: center;
    flex: 1;
    gap: 2vw;
    width: 87%;
    margin-inline: auto;
}

.hero-flow .hero-copy {
    position: static;
    min-width: 0;
    z-index: 4;
    padding-block: 24px;
}

.hero-flow h1,
.hero-flow .hero-slogan {
    font-size: clamp(33px, 3.8vw, 66px);
    line-height: 1.06;
}

.hero-flow .eyebrow {
    font-size: 12px;
    margin-bottom: 24px;
}

.hero-flow .hero-lead {
    max-width: 28rem;
    margin-top: 26px;
    color: #CADDE1;
    font-size: 18px;
}

.hero-flow .button {
    margin-top: 28px;
    min-height: 44px;
    font-size: 14px;
    text-transform: none;
    letter-spacing: 0;
}

.hero-fractal {
    position: relative;
    min-width: 0;
    width: 100%;
    height: clamp(380px, 60svh, 660px);
}

.hero-fractal-fallback {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.hero-fractal.is-fractal-ready .hero-fractal-fallback {
    visibility: hidden;
}

.hero-flow .hero-note {
    position: static;
    width: 87%;
    margin-top: 30px;
    border-color: rgba(168, 218, 220, 0.3);
    color: #B4C7CE;
    font-size: 12px;
}

@media (max-width: 760px) {
    .hero.hero-flow {
        padding: 124px 0 24px;
    }

    .hero-flow .hero-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
        width: calc(100% - 38px);
    }

    .hero-flow .hero-copy {
        padding: 20px 0 0;
    }

    .hero-flow .eyebrow {
        margin-bottom: 18px;
    }

    .hero-flow h1,
    .hero-flow .hero-slogan {
        font-size: clamp(28px, 9.1vw, 52px);
        line-height: 1.06;
    }

    .hero-flow .hero-lead {
        display: none;
    }

    .hero-flow .button {
        padding: 10px 16px;
        margin-top: 22px;
    }

    .hero-fractal {
        height: auto;
        aspect-ratio: 0.95 / 1;
        width: min(100%, 460px);
        justify-self: center;
        margin-top: 6px;
    }

    .hero-flow .hero-note {
        grid-template-columns: 1fr 1fr;
        margin-top: 4px;
        gap: 12px;
        font-size: 12px;
        line-height: 1.4;
    }

    .aero-feature {
        background: linear-gradient(180deg, var(--navy), #13263E 35%, #000 60%);
    }
}

@media (max-width: 760px) {
    .private-preview-notice {
        padding-inline: 1rem;
        font-size: 0.75rem;
    }

    .private-preview-tools > span {
        display: none;
    }

    .aero-feature {
        padding-block: 3rem 2rem;
    }

    .aero-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 2.5rem;
    }

    .aero-copy .chapter {
        margin-bottom: 1.5rem;
    }

    .aero-copy h2 {
        font-size: clamp(3rem, 12vw, 4rem);
    }

    .aero-copy > p:not(.chapter) {
        font-size: 1rem;
    }

    .aero-context {
        margin-top: 1.5rem;
    }

    .aero-figure {
        justify-self: center;
    }

    .aero-stage {
        width: 100%;
    }

    .aero-toolbar {
        gap: 0.5rem;
    }

    .aero-toolbar > span {
        font-size: 0.8125rem;
    }
}

@media (max-width: 360px) {
    .site-header {
        gap: 14px;
    }

    .brand .brand-wordmark {
        width: 142px;
    }

    .brand .brand-symbol {
        width: 40px;
    }

    .nav-links {
        display: grid;
        grid-template-columns: repeat(6, minmax(0, 1fr));
        gap: 0;
    }

    .nav-links a {
        grid-column: span 2;
        justify-content: center;
    }

    .nav-links a:nth-child(n + 4) {
        grid-column: span 3;
    }

    .hero.hero-flow {
        padding-top: 156px;
    }
}

/* Version B: show the wing first, then the flight model and workshop photos. */
.aero-section {
    margin-top: 0;
    min-height: calc(100svh - var(--preview-offset));
    padding-block: clamp(3rem, 5vw, 5rem);
}

.section-anchor {
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 1px;
    scroll-margin-top: 44px;
    pointer-events: none;
}

.aero-section .aero-grid {
    grid-template-areas: "heading visual" "body visual";
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    grid-template-rows: auto 1fr;
    align-items: start;
    gap: 0 clamp(2rem, 6vw, 6rem);
}

.aero-heading {
    grid-area: heading;
    margin-bottom: 2rem;
}

.aero-heading .chapter {
    margin-bottom: 1.75rem;
    font-size: 0.875rem;
}

.aero-heading h2 {
    font-size: clamp(3rem, 5.4vw, 5.4rem);
    line-height: 0.94;
}

.aero-section .aero-copy {
    grid-area: body;
}

.aero-section .aero-copy > p:first-child {
    margin-top: 0;
}

.aero-section .aero-figure {
    grid-area: visual;
}

.geometry-study {
    padding-block: clamp(4rem, 8vw, 7rem);
}

.study-heading {
    display: grid;
    grid-template-columns: minmax(140px, 0.52fr) minmax(0, 2.35fr);
    gap: clamp(2rem, 6vw, 6rem);
    align-items: start;
    margin-bottom: clamp(2.5rem, 5vw, 5rem);
}

.study-heading h2 {
    font-size: clamp(3rem, 6.4vw, 6.25rem);
    line-height: 0.94;
}

.study-media {
    display: grid;
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(1.5rem, 3vw, 3rem);
}

.study-flight,
.study-gallery {
    min-width: 0;
    border-top: 1px solid var(--rule);
    padding-top: 1.25rem;
}

.study-flight video {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 8 / 7;
    object-fit: contain;
}

.study-flight {
    width: 100%;
    margin-inline: 0;
}

.study-flight > noscript > img {
    width: 100%;
    height: auto;
}

.study-flight .flight-toolbar,
.gallery-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 56px;
    padding-top: 0.75rem;
    color: var(--navy);
    font: 0.8125rem var(--sans);
    letter-spacing: 0;
    text-transform: none;
}

.study-flight .aero-toggle,
.gallery-arrow {
    min-width: 44px;
    min-height: 44px;
    border: 1px solid var(--rule);
    border-radius: 0;
    padding: 0.5rem 0.75rem;
    color: var(--navy);
    background: transparent;
    cursor: pointer;
    font: 0.875rem var(--sans);
}

.study-flight .flight-toolbar {
    justify-content: flex-end;
}

.study-flight .aero-toggle:hover,
.gallery-arrow:hover:not(:disabled) {
    background: rgba(69, 123, 157, 0.1);
    border-color: var(--navy);
}

.gallery-track {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--steel) transparent;
}

.gallery-slide {
    flex: 0 0 100%;
    min-width: 0;
    scroll-snap-align: start;
}

.gallery-slide img {
    display: block;
    width: 100%;
    height: auto;
    /* Keep the width/height attribute ratio, including before lazy image decoding. */
    object-fit: contain;
}

.gallery-slide figcaption {
    padding-block: 0.75rem;
    font-size: 0.875rem;
    color: var(--navy);
}

.gallery-controls {
    display: flex;
    gap: 8px;
}

.gallery-controls[hidden] {
    display: none;
}

.gallery-arrow {
    font-size: 1.3rem;
}

.gallery-arrow:disabled {
    opacity: 0.35;
    cursor: default;
}

.gallery-track:focus-visible,
.gallery-arrow:focus-visible,
.study-flight .aero-toggle:focus-visible {
    outline: 2px solid var(--navy);
    outline-offset: 4px;
}

.study-method {
    display: grid;
    grid-template-columns: minmax(140px, 0.52fr) minmax(0, 2.35fr);
    gap: clamp(2rem, 6vw, 6rem);
    margin-top: clamp(4rem, 7vw, 7rem);
    padding-top: 2rem;
    border-top: 1px solid var(--rule);
}

.study-method h3 {
    margin-bottom: 1.5rem;
    font-size: clamp(1.75rem, 3vw, 2.75rem);
    line-height: 1;
}

.study-method .large-copy {
    font-size: clamp(1.125rem, 1.6vw, 1.375rem);
}

.study-method .method-detail {
    margin-top: 1.75rem;
    border-color: var(--rule);
}

.study-method .method-aside {
    color: var(--steel);
    font-size: 1.125rem !important;
}

.geometry-study .lab-ledger {
    margin-top: 3.5rem;
}

/* Half-width search film on desktop, full-width between heading and copy on mobile. */
.study-method.bridle-study {
    --bridle-inset: 48px;
    width: 100%;
    max-width: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas: "heading visual" "body visual";
    grid-template-rows: auto 1fr;
    align-items: start;
    gap: clamp(1.5rem, 3vw, 3rem);
    column-gap: 0;
    padding-top: clamp(2.5rem, 4vw, 4rem);
    scroll-margin-top: 70px;
}

.bridle-heading {
    grid-area: heading;
}

.bridle-heading,
.bridle-copy,
.bridle-figure .aero-status {
    width: min(730px, calc(100% - var(--bridle-inset) * 2));
    margin-inline: auto;
}

.bridle-heading .chapter {
    margin-bottom: 2rem;
}

.bridle-heading h2 {
    margin-bottom: 0;
    font-size: clamp(2.75rem, 4.6vw, 4.6rem);
    line-height: 0.98;
}

.bridle-copy {
    grid-area: body;
    max-width: none;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 1.5rem clamp(2rem, 6vw, 6rem);
}

.bridle-copy .large-copy {
    font-size: clamp(1.25rem, 1.8vw, 1.65rem);
    line-height: 1.4;
}

.bridle-copy > p + p {
    margin-top: 0;
    max-width: none;
}

.bridle-figure {
    grid-area: visual;
    align-self: center;
    min-width: 0;
    width: 100%;
}

.bridle-stage {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    max-height: min(90svh, 960px);
}

.bridle-stage video,
.bridle-stage > noscript > img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.bridle-figure .aero-status {
    color: var(--navy);
}

.bridle-figure .aero-status:empty {
    display: none;
}

@media (max-width: 1100px) {
    .study-method.bridle-study {
        --bridle-inset: 32px;
    }
}

@media (max-width: 760px) {
    .aero-section {
        padding-block: 2rem 3rem;
        background: #000;
    }

    .aero-section .aero-grid {
        grid-template-columns: minmax(0, 1fr);
        grid-template-areas: "heading" "visual" "body";
        gap: 2rem;
    }

    .aero-heading {
        margin: 0;
    }

    .aero-heading .chapter {
        margin-bottom: 1rem;
    }

    .aero-heading h2 {
        font-size: clamp(2.6rem, 11vw, 3.5rem);
    }

    .aero-section .aero-stage {
        width: min(100%, 35svh);
    }

    .aero-section .aero-context {
        margin-top: 1rem;
    }

    .study-heading,
    .study-media,
    .study-method {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.75rem;
    }

    .study-heading h2 {
        font-size: clamp(2.75rem, 12vw, 4.5rem);
    }

    .study-media {
        gap: 2.5rem;
    }

    .gallery-slide img {
        height: min(65svh, 620px);
    }

    .study-method .method-detail {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.5rem;
    }

    .study-method.bridle-study {
        --bridle-inset: 22px;
        grid-template-columns: minmax(0, 1fr);
        grid-template-areas: "heading" "visual" "body";
        grid-template-rows: auto;
        gap: 1.75rem;
    }

    .bridle-copy {
        grid-template-columns: minmax(0, 1fr);
    }

    .bridle-heading .chapter {
        margin-bottom: 1.25rem;
    }

    .bridle-heading h2 {
        font-size: clamp(2.25rem, 10.5vw, 4rem);
    }
}

@media (max-width: 360px) {
    .study-heading h2 {
        font-size: clamp(2rem, 11.5vw, 2.75rem);
    }
}

/* The recorded moving-flow study already uses the site's navy background. */
.aero-section.aero-moving,
.aero-moving .aero-figure,
.aero-moving .aero-stage,
.aero-moving .aero-video,
.aero-moving .aero-stage > noscript > img {
    background: var(--navy);
}

.aero-moving .aero-context {
    color: #c3d6de;
    border-color: var(--rule-light);
}

.aero-moving .aero-toolbar {
    border-color: var(--rule-light);
}

.aero-moving .aero-toolbar > span {
    color: var(--ecume);
}

/* Give the complete orbit a full-width stage, without cropping the square film. */
.aero-section.aero-cauchy,
.aero-cauchy .aero-figure,
.aero-cauchy .aero-stage,
.aero-cauchy .aero-video,
.aero-cauchy .aero-stage > noscript > img {
    background: #193152;
}

.aero-section.aero-cauchy {
    --aero-inset: 48px;
}

.aero-section.aero-cauchy .aero-grid {
    width: 100%;
    max-width: none;
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "heading" "visual" "body";
    grid-template-rows: auto;
    gap: clamp(1.5rem, 3vw, 3rem);
}

.aero-cauchy .aero-heading,
.aero-section.aero-cauchy .aero-copy,
.aero-cauchy .aero-status {
    width: min(1460px, calc(100% - var(--aero-inset) * 2));
    margin-inline: auto;
}

.aero-cauchy .aero-heading {
    margin-bottom: 0;
}

.aero-section.aero-cauchy .aero-figure {
    max-width: none;
    justify-self: stretch;
}

.aero-section.aero-cauchy .aero-stage {
    position: relative;
    width: 100%;
    height: auto;
    max-height: min(78svh, 1080px);
    aspect-ratio: 1;
}

.aero-cauchy .aero-video,
.aero-cauchy .aero-stage > noscript > img {
    position: absolute;
    inset: 0;
    display: block;
    height: 100%;
    aspect-ratio: 1;
    object-fit: contain;
}

.aero-section.aero-cauchy .aero-copy {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 1.5rem clamp(2rem, 6vw, 6rem);
    max-width: none;
}

.aero-section.aero-cauchy .aero-copy > p {
    max-width: none;
    margin-block: 0;
}

.aero-cauchy .aero-status:empty {
    display: none;
}

@media (min-width: 761px) {
    .aero-cauchy .aero-heading h2 br {
        display: none;
    }
}

@media (max-width: 1100px) {
    .aero-section.aero-cauchy {
        --aero-inset: 32px;
    }
}

@media (max-width: 760px) {
    .aero-section.aero-cauchy {
        --aero-inset: 22px;
    }

    .aero-section.aero-cauchy .aero-copy {
        grid-template-columns: minmax(0, 1fr);
    }
}

.geometry-study > .bridle-study {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.flight-study {
    display: grid;
    scroll-margin-top: 44px;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 5rem);
    margin-top: clamp(3.5rem, 6vw, 6rem);
    padding-top: 2.5rem;
    border-top: 1px solid var(--rule);
}

.flight-study-copy .chapter {
    margin-bottom: 1.5rem;
}

.flight-study-copy h3 {
    margin-bottom: 1.5rem;
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1;
}

.flight-study-copy > p:last-child {
    max-width: 29rem;
}

.flight-study .study-flight {
    padding-top: 0;
    border-top: 0;
}

.workshop {
    position: relative;
    background: var(--surface);
}

.workshop-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
    gap: clamp(2rem, 6vw, 6rem);
}

.workshop-copy .chapter {
    margin-bottom: 2rem;
}

.workshop-copy h2 {
    margin-bottom: 2rem;
    font-size: clamp(2.5rem, 4.6vw, 4.6rem);
    line-height: 1;
}

.workshop-copy .large-copy {
    max-width: 30rem;
    font-size: clamp(1.35rem, 2vw, 1.75rem);
}

.workshop-copy > p:last-child {
    margin-top: 1.5rem;
    max-width: 29rem;
}

.workshop .gallery-slide img {
    max-height: min(65svh, 520px);
}

#contact {
    scroll-margin-top: 55px;
}

@media (max-width: 760px) {
    .flight-study,
    .workshop-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 2rem;
    }

    .workshop {
        padding-block: 3.5rem;
    }

    .workshop-copy h2 {
        font-size: clamp(2.1rem, 9vw, 3.5rem);
    }

    .workshop .gallery-slide img {
        height: auto;
        max-height: 55svh;
    }
}

.legal-header,
.legal-content {
    width: min(50rem, calc(100% - 3rem));
    margin-inline: auto;
}

.legal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding-block: 2rem;
}

.legal-header > a {
    width: min(65%, 18rem);
}

.legal-header img {
    width: 100%;
    height: auto;
}

.legal-header nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.legal-header nav a,
.legal-header nav span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
}

.legal-content {
    padding-block: 2rem 4rem;
    overflow-wrap: anywhere;
}

.legal-content h1 {
    font-size: clamp(2rem, 7vw, 3.5rem);
    line-height: 1.15;
}

.legal-content h2 {
    margin-bottom: 1rem;
    font-size: clamp(1.4rem, 4vw, 1.8rem);
    line-height: 1.3;
}

.legal-content section {
    margin-block: 2.5rem;
}

.legal-content p + p,
.legal-content address,
.legal-content address + p {
    margin-top: 0.75rem;
}

.legal-content address {
    font-style: normal;
}

.legal-draft {
    margin-top: 1.5rem;
    max-width: 42rem;
    color: #346381;
    font-size: 0.95rem;
}

.legal-return {
    display: inline-block;
    padding-block: 0.75rem;
}